//
//  NSMutableArray+Shuffling.h
//  blue
//
//  Created by YiXue on 16/10/14.
//  Copyright © 2016年 YiXue. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface NSMutableArray (Shuffling)

// 随机打乱元素次序
- (void)shuffle;
@end
